<h1 class="pf-c-notification-drawer__header-title{{#if notification-drawer-header-title--modifier}} {{notification-drawer-header-title--modifier}}{{/if}}"
  {{#if notification-drawer-header-title--attribute}}
    {{{notification-drawer-header-title--attribute}}}
  {{/if}}>
  {{> @partial-block}}
</h1>
